Gregory A. Hahn

MS Geology 1976

Greg is currently President and CEO of Summo Minerals Corporation in Denver, Colorado,
a start-up copper mining company he founded and successfully developed. The Corporation's
centerpiece is the Libson Valley Project in Southern Utah, where mining is expected
to begin in January 1998. Greg has more than 20 years of experience as a Geological
Engineer in exploration and mine development and operation. He worked eleven years
for Norando in Arizona, Alaska, and Idaho; five years for CoCa Mines in Montana and
California; and then four years as Vice President of St. Mary Minerals.

Greg came to Michigan Technological University from Dartmouth College in 1974. He
had field experience in East Africa at Lake Rudolf and in Central America. While attending
Michigan Tech, Greg did an ambitious MS thesis in Guatemala and graduated in 1976
with an MS degree in Geology.

From 1997 Induction to the Geological and Mining Engineering and Sciences Academy